For the final time of 2015, the people of New York City packed the streets, smartphones firmly in hand, to catch a glimpse of Manhattanhenge, a phenomenon where the sun perfectly aligns itself with the city's east-west street grid.

The term was coined by Hayden Planetarium Director Neil DeGrasse Tyson who likened the event to the ancient structure of Stonehenge.

Social media users were quick to post some stunning images of the morning's stunning sunrise. Here are some of the best we came across.